What was found
PHX - THE LEFT, MID-CABIN, EMERGENCY POWER SUPPLY UNIT FAULTED AND WOULD NOT RESET. MAINTENANCE REPLACED THE LEFT, MID-CABIN, EMERGENCY POWER SUPPLY UNIT AND BATTERY. OPERATIONALLY CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHX - THE LEFT, MID-CABIN, EMERGENCY POWER SUPPLY UNIT FAULTED AND WOULD NOT RESET. MAINTENANCE REPLACED THE LEFT, MID-CABIN, EMERGENCY POWER SUPPLY UNIT AND BATTERY. OPERATIONALLY CHECKS OK.